Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.54' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 69.489666][ T6880] FAULT_INJECTION: forcing a failure. [ 69.489666][ T6880] name failslab, interval 1, probability 0, space 0, times 1 [ 69.507629][ T6880] CPU: 1 PID: 6880 Comm: syz-executor635 Not tainted 5.9.0-rc5-next-20200921-syzkaller #0 [ 69.517913][ T6880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.528005][ T6880] Call Trace: [ 69.531561][ T6880] dump_stack+0x198/0x1fb [ 69.536196][ T6880] should_fail.cold+0x5/0xa [ 69.541345][ T6880] ? tracepoint_probe_unregister+0x1cf/0x7f0 [ 69.547374][ T6880] ? tracepoint_probe_unregister+0x1cf/0x7f0 [ 69.553731][ T6880] should_failslab+0x5/0x10 [ 69.558277][ T6880] __kmalloc+0x34b/0x4d0 [ 69.562644][ T6880] ? lock_is_held_type+0xbb/0xf0 [ 69.567779][ T6880] ? __bpf_trace_ext4_direct_IO_exit+0x180/0x180 [ 69.574135][ T6880] tracepoint_probe_unregister+0x1cf/0x7f0 [ 69.580172][ T6880] ? __bpf_trace_ext4_direct_IO_exit+0x180/0x180 [ 69.586662][ T6880] bpf_raw_tp_link_release+0x51/0xa0 [ 69.592527][ T6880] bpf_link_free+0xe6/0x1b0 [ 69.597371][ T6880] bpf_link_put+0x15e/0x1b0 [ 69.603440][ T6880] bpf_link_release+0x33/0x40 [ 69.608435][ T6880] __fput+0x285/0x920 [ 69.612488][ T6880] ? bpf_link_put+0x1b0/0x1b0 [ 69.617660][ T6880] task_work_run+0xdd/0x190 [ 69.623115][ T6880] exit_to_user_mode_prepare+0x1e2/0x1f0 [ 69.629130][ T6880] syscall_exit_to_user_mode+0x7a/0x2c0 [ 69.634730][ T6880] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.640733][ T6880] RIP: 0033:0x441729 [ 69.644681][ T6880] Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 8b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.664825][ T6880] RSP: 002b:00007ffe3fd46d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000021 [ 69.673275][ T6880] RAX: 0000000000000004 RBX: 0000000000000000 RCX: 0000000000441729 [ 69.681438][ T6880] RDX: fffffffffffffffd RSI: 0000000000000004 RDI: 0000000000000005 [ 69.689428][ T6880] RBP: 00007ffe3fd46d90 R08: 0000000000000001 R09: 0000000000000000 [ 69.697434][ T6880] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 69.705425][ T6880] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 69.717246][ T6885] FAULT_INJECTION: forcing a failure. [ 69.717246][ T6885] name failslab, interval 1, probability 0, space 0, times 0 [ 69.732420][ T6885] CPU: 0 PID: 6885 Comm: syz-executor635 Not tainted 5.9.0-rc5-next-20200921-syzkaller #0 [ 69.743643][ T6885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.753805][ T6885] Call Trace: [ 69.757177][ T6885] dump_stack+0x198/0x1fb [ 69.761560][ T6885] should_fail.cold+0x5/0xa [ 69.767385][ T6885] ? tracepoint_probe_unregister+0x1cf/0x7f0 [ 69.773379][ T6885] ? tracepoint_probe_unregister+0x1cf/0x7f0 [ 69.779361][ T6885] should_failslab+0x5/0x10 [ 69.783859][ T6885] __kmalloc+0x34b/0x4d0 [ 69.788188][ T6885] ? lock_is_held_type+0xbb/0xf0 [ 69.793128][ T6885] ? __bpf_trace_ext4_direct_IO_exit+0x180/0x180 [ 69.799593][ T6885] tracepoint_probe_unregister+0x1cf/0x7f0 [ 69.805430][ T6885] ? __bpf_trace_ext4_direct_IO_exit+0x180/0x180 [ 69.812132][ T6885] ? check_preemption_disabled+0x50/0x130 [ 69.817856][ T6885] bpf_raw_tp_link_release+0x51/0xa0 [ 69.823168][ T6885] bpf_link_free+0xe6/0x1b0 [ 69.827747][ T6885] bpf_link_put+0x15e/0x1b0 [ 69.832288][ T6885] bpf_link_release+0x33/0x40 [ 69.836993][ T6885] __fput+0x285/0x920 [ 69.840999][ T6885] ? bpf_link_put+0x1b0/0x1b0 [ 69.845704][ T6885] task_work_run+0xdd/0x190 [ 69.850269][ T6885] exit_to_user_mode_prepare+0x1e2/0x1f0 [ 69.856030][ T6885] syscall_exit_to_user_mode+0x7a/0x2c0 [ 69.862161][ T6885] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.868097][ T6885] RIP: 0033:0x441729 [ 69.872063][ T6885] Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 8b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.891675][ T6885] RSP: 002b:00007ffe3fd46d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000021 [ 69.900112][ T6885] RAX: 0000000000000004 RBX: 0000000000000000 RCX: 0000000000441729 [ 69.909143][ T6885] RDX: fffffffffffffffd RSI: 0000000000000004 RDI: 0000000000000005 [ 69.923381][ T6885] RBP: 00007ffe3fd46d90 R08: 0000000000000001 R09: 0000000000000000 [ 69.931563][ T6885] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program executing program [ 69.939625][ T6885] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 69.961114][ T6887] FAULT_INJECTION: forcing a failure. [ 69.961114][ T6887] name failslab, interval 1, probability 0, space 0, times 0 [ 69.975787][ T6887] CPU: 1 PID: 6887 Comm: syz-executor635 Not tainted 5.9.0-rc5-next-20200921-syzkaller #0 [ 69.986451][ T6887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.996633][ T6887] Call Trace: [ 69.999952][ T6887] dump_stack+0x198/0x1fb [ 70.004402][ T6887] should_fail.cold+0x5/0xa [ 70.009120][ T6887] ? tracepoint_probe_unregister+0x1cf/0x7f0 [ 70.016554][ T6887] ? tracepoint_probe_unregister+0x1cf/0x7f0 [ 70.022586][ T6887] should_failslab+0x5/0x10 [ 70.027118][ T6887] __kmalloc+0x34b/0x4d0 [ 70.031394][ T6887] ? lock_is_held_type+0xbb/0xf0 [ 70.036367][ T6887] ? __bpf_trace_ext4_direct_IO_exit+0x180/0x180 [ 70.042731][ T6887] tracepoint_probe_unregister+0x1cf/0x7f0 [ 70.048576][ T6887] ? __bpf_trace_ext4_direct_IO_exit+0x180/0x180 [ 70.055030][ T6887] ? check_preemption_disabled+0x50/0x130 [ 70.060790][ T6887] bpf_raw_tp_link_release+0x51/0xa0 [ 70.066190][ T6887] bpf_link_free+0xe6/0x1b0 [ 70.070721][ T6887] bpf_link_put+0x15e/0x1b0 [ 70.075253][ T6887] bpf_link_release+0x33/0x40 [ 70.080077][ T6887] __fput+0x285/0x920 [ 70.084109][ T6887] ? bpf_link_put+0x1b0/0x1b0 [ 70.088825][ T6887] task_work_run+0xdd/0x190 [ 70.093458][ T6887] exit_to_user_mode_prepare+0x1e2/0x1f0 [ 70.099142][ T6887] syscall_exit_to_user_mode+0x7a/0x2c0 [ 70.104729][ T6887] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.110665][ T6887] RIP: 0033:0x441729 [ 70.114743][ T6887] Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 8b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 70.134978][ T6887] RSP: 002b:00007ffe3fd46d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000021 [ 70.143416][ T6887] RAX: 0000000000000004 RBX: 0000000000000000 RCX: 0000000000441729 [ 70.151428][ T6887] RDX: fffffffffffffffd RSI: 0000000000000004 RDI: 0000000000000005 [ 70.159469][ T6887] RBP: 00007ffe3fd46d90 R08: 0000000000000001 R09: 0000000000000000 [ 70.168339][ T6887] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 70.176360][ T6887] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 70.190321][ T6567] ================================================================== [ 70.198760][ T6567] BUG: KASAN: vmalloc-out-of-bounds in bpf_trace_run5+0x401/0x410 [ 70.206955][ T6567] Read of size 8 at addr ffffc90000e80030 by task rs:main Q:Reg/6567 [ 70.215301][ T6567] [ 70.217742][ T6567] CPU: 1 PID: 6567 Comm: rs:main Q:Reg Not tainted 5.9.0-rc5-next-20200921-syzkaller #0 [ 70.227469][ T6567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.238019][ T6567] Call Trace: [ 70.241464][ T6567] dump_stack+0x198/0x1fb [ 70.246046][ T6567] ? bpf_trace_run5+0x401/0x410 [ 70.251787][ T6567] ? bpf_trace_run5+0x401/0x410 [ 70.256775][ T6567] print_address_description.constprop.0.cold+0x5/0x497 [ 70.263766][ T6567] ? lock_is_held_type+0xbb/0xf0 [ 70.268780][ T6567] ? _raw_spin_lock_irqsave+0xa9/0xd0 [ 70.274382][ T6567] ? vprintk_func+0x95/0x1e0 [ 70.280244][ T6567] ? bpf_trace_run5+0x401/0x410 [ 70.285208][ T6567] ? bpf_trace_run5+0x401/0x410 [ 70.290078][ T6567] kasan_report.cold+0x1f/0x37 [ 70.294875][ T6567] ? bpf_trace_run5+0x401/0x410 [ 70.299746][ T6567] bpf_trace_run5+0x401/0x410 [ 70.304542][ T6567] ? ext4_dirty_inode+0xbc/0x130 [ 70.310143][ T6567] ? bpf_trace_run4+0x3f0/0x3f0 [ 70.316194][ T6567] ? mark_lock+0xf7/0x2420 [ 70.322085][ T6567] ? ext4_dirty_inode+0xbc/0x130 [ 70.328217][ T6567] ? lock_chain_count+0x20/0x20 [ 70.333668][ T6567] ? ext4_dirty_inode+0xbc/0x130 [ 70.340727][ T6567] __bpf_trace_ext4_journal_start+0x142/0x180 [ 70.346918][ T6567] ? __bpf_trace_ext4_direct_IO_exit+0x180/0x180 [ 70.353287][ T6567] ? ktime_get_coarse_real_ts64+0x3d/0xe0 [ 70.359216][ T6567] ? mark_held_locks+0x9f/0xe0 [ 70.364009][ T6567] ? __bpf_trace_ext4_direct_IO_exit+0x180/0x180 [ 70.370372][ T6567] ? ext4_dirty_inode+0xbc/0x130 [ 70.375351][ T6567] __traceiter_ext4_journal_start+0x83/0xd0 [ 70.381285][ T6567] __ext4_journal_start_sb+0x228/0x440 [ 70.386796][ T6567] ? ext4_dirty_inode+0xbc/0x130 [ 70.391767][ T6567] ext4_dirty_inode+0xbc/0x130 [ 70.396558][ T6567] ? ext4_setattr+0x1e70/0x1e70 [ 70.401426][ T6567] __mark_inode_dirty+0x888/0x1190 [ 70.407687][ T6567] ? igrab+0xb0/0xb0 [ 70.411638][ T6567] generic_update_time+0x21c/0x370 [ 70.416894][ T6567] file_update_time+0x434/0x520 [ 70.421777][ T6567] ? current_time+0x2c0/0x2c0 [ 70.426477][ T6567] ? down_write_killable+0x170/0x170 [ 70.432123][ T6567] ? lock_is_held_type+0xbb/0xf0 [ 70.437104][ T6567] file_modified+0x7d/0xa0 [ 70.441559][ T6567] ext4_buffered_write_iter+0xf9/0x4a0 [ 70.447165][ T6567] ext4_file_write_iter+0x1f3/0x13e0 [ 70.452501][ T6567] ? ext4_buffered_write_iter+0x4a0/0x4a0 [ 70.458704][ T6567] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 70.464801][ T6567] ? aa_path_link+0x2f0/0x2f0 [ 70.469500][ T6567] new_sync_write+0x426/0x650 [ 70.474214][ T6567] ? new_sync_read+0x6e0/0x6e0 [ 70.478993][ T6567] ? lock_downgrade+0x830/0x830 [ 70.483872][ T6567] ? lock_is_held_type+0xbb/0xf0 [ 70.488842][ T6567] ? __sb_start_write+0x1d5/0x470 [ 70.494085][ T6567] vfs_write+0x57d/0x700 [ 70.498443][ T6567] ksys_write+0x12d/0x250 [ 70.502988][ T6567] ? __ia32_sys_read+0xb0/0xb0 [ 70.507801][ T6567] ? check_preemption_disabled+0x50/0x130 [ 70.513566][ T6567] ? syscall_enter_from_user_mode+0x1d/0x60 [ 70.519591][ T6567] do_syscall_64+0x2d/0x70 [ 70.524048][ T6567] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.529966][ T6567] RIP: 0033:0x7fed08e3a1cd [ 70.534404][ T6567] Code: c2 20 00 00 75 10 b8 01 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ae fc ff ff 48 89 04 24 b8 01 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 f7 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 70.554116][ T6567] RSP: 002b:00007fed063f5590 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 70.562562][ T6567] RAX: ffffffffffffffda RBX: 00007fecfc0238a0 RCX: 00007fed08e3a1cd [ 70.570647][ T6567] RDX: 0000000000000dd6 RSI: 00007fecfc0238a0 RDI: 0000000000000006 [ 70.578934][ T6567] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 70.587637][ T6567] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fecfc023620 [ 70.596170][ T6567] R13: 00007fed063f55b0 R14: 0000560a2b025360 R15: 0000000000000dd6 [ 70.604389][ T6567] [ 70.607348][ T6567] [ 70.610210][ T6567] Memory state around the buggy address: [ 70.616303][ T6567] ffffc90000e7ff00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 70.624762][ T6567] ffffc90000e7ff80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 70.632932][ T6567] >ffffc90000e80000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 70.641007][ T6567] ^ [ 70.646835][ T6567] ffffc90000e80080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 70.655526][ T6567] ffffc90000e80100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 70.663602][ T6567] ================================================================== [ 70.672289][ T6567] Disabling lock debugging due to kernel taint [ 70.678623][ T6567] Kernel panic - not syncing: panic_on_warn set ... [ 70.685942][ T6567] CPU: 1 PID: 6567 Comm: rs:main Q:Reg Tainted: G B 5.9.0-rc5-next-20200921-syzkaller #0 [ 70.697076][ T6567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.707140][ T6567] Call Trace: [ 70.711556][ T6567] dump_stack+0x198/0x1fb [ 70.715905][ T6567] ? bpf_trace_run5+0x3a0/0x410 [ 70.720781][ T6567] panic+0x382/0x7fb [ 70.724968][ T6567] ? __warn_printk+0xf3/0xf3 [ 70.729583][ T6567] ? bpf_trace_run5+0x401/0x410 [ 70.734467][ T6567] ? trace_hardirqs_on+0x51/0x1c0 [ 70.739618][ T6567] ? bpf_trace_run5+0x401/0x410 [ 70.744959][ T6567] ? bpf_trace_run5+0x401/0x410 [ 70.749829][ T6567] end_report+0x58/0x5e [ 70.754266][ T6567] kasan_report.cold+0xd/0x37 [ 70.759859][ T6567] ? bpf_trace_run5+0x401/0x410 [ 70.765360][ T6567] bpf_trace_run5+0x401/0x410 [ 70.770087][ T6567] ? ext4_dirty_inode+0xbc/0x130 [ 70.775138][ T6567] ? bpf_trace_run4+0x3f0/0x3f0 [ 70.780712][ T6567] ? mark_lock+0xf7/0x2420 [ 70.785592][ T6567] ? ext4_dirty_inode+0xbc/0x130 [ 70.790825][ T6567] ? lock_chain_count+0x20/0x20 [ 70.795715][ T6567] ? ext4_dirty_inode+0xbc/0x130 [ 70.800951][ T6567] __bpf_trace_ext4_journal_start+0x142/0x180 [ 70.807055][ T6567] ? __bpf_trace_ext4_direct_IO_exit+0x180/0x180 [ 70.813403][ T6567] ? ktime_get_coarse_real_ts64+0x3d/0xe0 [ 70.819420][ T6567] ? mark_held_locks+0x9f/0xe0 [ 70.824873][ T6567] ? __bpf_trace_ext4_direct_IO_exit+0x180/0x180 [ 70.831215][ T6567] ? ext4_dirty_inode+0xbc/0x130 [ 70.836174][ T6567] __traceiter_ext4_journal_start+0x83/0xd0 [ 70.842982][ T6567] __ext4_journal_start_sb+0x228/0x440 [ 70.848913][ T6567] ? ext4_dirty_inode+0xbc/0x130 [ 70.853880][ T6567] ext4_dirty_inode+0xbc/0x130 [ 70.858697][ T6567] ? ext4_setattr+0x1e70/0x1e70 [ 70.864116][ T6567] __mark_inode_dirty+0x888/0x1190 [ 70.869300][ T6567] ? igrab+0xb0/0xb0 [ 70.873792][ T6567] generic_update_time+0x21c/0x370 [ 70.879658][ T6567] file_update_time+0x434/0x520 [ 70.884628][ T6567] ? current_time+0x2c0/0x2c0 [ 70.889341][ T6567] ? down_write_killable+0x170/0x170 [ 70.895087][ T6567] ? lock_is_held_type+0xbb/0xf0 [ 70.901694][ T6567] file_modified+0x7d/0xa0 [ 70.906685][ T6567] ext4_buffered_write_iter+0xf9/0x4a0 [ 70.912261][ T6567] ext4_file_write_iter+0x1f3/0x13e0 [ 70.917583][ T6567] ? ext4_buffered_write_iter+0x4a0/0x4a0 [ 70.923343][ T6567] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 70.929339][ T6567] ? aa_path_link+0x2f0/0x2f0 [ 70.934569][ T6567] new_sync_write+0x426/0x650 [ 70.940748][ T6567] ? new_sync_read+0x6e0/0x6e0 [ 70.946525][ T6567] ? lock_downgrade+0x830/0x830 [ 70.951841][ T6567] ? lock_is_held_type+0xbb/0xf0 [ 70.958912][ T6567] ? __sb_start_write+0x1d5/0x470 [ 70.964401][ T6567] vfs_write+0x57d/0x700 [ 70.968756][ T6567] ksys_write+0x12d/0x250 [ 70.973121][ T6567] ? __ia32_sys_read+0xb0/0xb0 [ 70.978007][ T6567] ? check_preemption_disabled+0x50/0x130 [ 70.983764][ T6567] ? syscall_enter_from_user_mode+0x1d/0x60 [ 70.989698][ T6567] do_syscall_64+0x2d/0x70 [ 70.994166][ T6567] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.000427][ T6567] RIP: 0033:0x7fed08e3a1cd [ 71.005302][ T6567] Code: c2 20 00 00 75 10 b8 01 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ae fc ff ff 48 89 04 24 b8 01 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 f7 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 71.028573][ T6567] RSP: 002b:00007fed063f5590 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 71.037746][ T6567] RAX: ffffffffffffffda RBX: 00007fecfc0238a0 RCX: 00007fed08e3a1cd [ 71.045739][ T6567] RDX: 0000000000000dd6 RSI: 00007fecfc0238a0 RDI: 0000000000000006 [ 71.054158][ T6567] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 71.062246][ T6567] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fecfc023620 [ 71.070229][ T6567] R13: 00007fed063f55b0 R14: 0000560a2b025360 R15: 0000000000000dd6 [ 71.079234][ T6567] Kernel Offset: disabled [ 71.083688][ T6567] Rebooting in 86400 seconds..